diff --git a/win32/blkcalc/blkcalc.vcxproj b/win32/blkcalc/blkcalc.vcxproj
index 50b20494ef4ae348d7edd1ffd2de7c1030a8e323..40ab0ae746d68b64e2046bfa069c2c2cdc543d5a 100755
--- a/win32/blkcalc/blkcalc.vcxproj
+++ b/win32/blkcalc/blkcalc.vcxproj
@@ -202,7 +202,7 @@
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       <AdditionalIncludeDirectories>$(ProjectDir)\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_ITERATOR_DEBUG_LEVEL=2;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
diff --git a/win32/blkcat/blkcat.vcxproj b/win32/blkcat/blkcat.vcxproj
index 890fdcd2e4138ac88bdcaa933a99f98d9f16b93a..239be8022ac893bb98c16a4547d3a0b68a738733 100755
--- a/win32/blkcat/blkcat.vcxproj
+++ b/win32/blkcat/blkcat.vcxproj
@@ -202,7 +202,7 @@
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       <AdditionalIncludeDirectories>$(ProjectDir)\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_ITERATOR_DEBUG_LEVEL=2;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
diff --git a/win32/blkls/blkls.vcxproj b/win32/blkls/blkls.vcxproj
index c2b0cd9715d87e507756d295d2f91bbebf668c99..bd49369bde2ac2093d3729d5f44d54989c9421a8 100755
--- a/win32/blkls/blkls.vcxproj
+++ b/win32/blkls/blkls.vcxproj
@@ -202,7 +202,7 @@
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       <AdditionalIncludeDirectories>$(ProjectDir)\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_ITERATOR_DEBUG_LEVEL=2;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
diff --git a/win32/blkstat/blkstat.vcxproj b/win32/blkstat/blkstat.vcxproj
index 71aa2ba85b7de8d881d01e66a9bacde189cae04a..e2bf32226af2e72adfcdb5002963721d25ae0a18 100755
--- a/win32/blkstat/blkstat.vcxproj
+++ b/win32/blkstat/blkstat.vcxproj
@@ -202,7 +202,7 @@
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       <AdditionalIncludeDirectories>$(ProjectDir)\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_ITERATOR_DEBUG_LEVEL=2;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
diff --git a/win32/callback-cpp-sample/callback-cpp-sample.vcxproj b/win32/callback-cpp-sample/callback-cpp-sample.vcxproj
index 9a9991d582ddc98148acb1c7cf3389bad7039b4c..b2515c5c36a518fd3ca267f3e519c5b79b546952 100755
--- a/win32/callback-cpp-sample/callback-cpp-sample.vcxproj
+++ b/win32/callback-cpp-sample/callback-cpp-sample.vcxproj
@@ -202,7 +202,7 @@
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       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>$(ProjectDir)\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;_ITERATOR_DEBUG_LEVEL=2;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
diff --git a/win32/callback-sample/callback-sample.vcxproj b/win32/callback-sample/callback-sample.vcxproj
index 8e3b319892233ff410807e9f7a1c1eea6c0c2a5e..de781fbf4f01432d4b0c11ac4a3046cf9841f625 100755
--- a/win32/callback-sample/callback-sample.vcxproj
+++ b/win32/callback-sample/callback-sample.vcxproj
@@ -202,7 +202,7 @@
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       <AdditionalIncludeDirectories>$(ProjectDir)\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_ITERATOR_DEBUG_LEVEL=2;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
diff --git a/win32/fcat/fcat.vcxproj b/win32/fcat/fcat.vcxproj
index 8c0ca8de127b5d6ec2c1b83ad40a4854f8a642b0..0469b78cadc62f42b616e316e1181564e9b79f40 100755
--- a/win32/fcat/fcat.vcxproj
+++ b/win32/fcat/fcat.vcxproj
@@ -202,7 +202,7 @@
     <ClCompile>
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       <AdditionalIncludeDirectories>$(ProjectDir)\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_ITERATOR_DEBUG_LEVEL=2;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
diff --git a/win32/ffind/ffind.vcxproj b/win32/ffind/ffind.vcxproj
index cbb6fb176e96ce7afbb8020acb32bf2c826b5f42..8b66e731b10971e251026a5d8b5b5b63e6012d9a 100755
--- a/win32/ffind/ffind.vcxproj
+++ b/win32/ffind/ffind.vcxproj
@@ -202,7 +202,7 @@
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       <AdditionalIncludeDirectories>$(ProjectDir)\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_ITERATOR_DEBUG_LEVEL=2;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
diff --git a/win32/fls/fls.vcxproj b/win32/fls/fls.vcxproj
index e5f130bdf5ee13b0644ca9027cf4322195ac375a..2bb56646908fa75cdf3a35e83298732b4f85d99c 100755
--- a/win32/fls/fls.vcxproj
+++ b/win32/fls/fls.vcxproj
@@ -202,7 +202,7 @@
     <ClCompile>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>$(ProjectDir)\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;_ITERATOR_DEBUG_LEVEL=2;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
diff --git a/win32/fsstat/fsstat.vcxproj b/win32/fsstat/fsstat.vcxproj
index 6a967aaf13ffa58d797788a7fb921bac7decd3d9..ee087c9dbad9a50d2c7bc34c58c825dd885dcfde 100755
--- a/win32/fsstat/fsstat.vcxproj
+++ b/win32/fsstat/fsstat.vcxproj
@@ -202,7 +202,7 @@
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       <AdditionalIncludeDirectories>$(ProjectDir)\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_ITERATOR_DEBUG_LEVEL=2;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
diff --git a/win32/hfind/hfind.vcxproj b/win32/hfind/hfind.vcxproj
index 72f5ff919876d5606ff20e75d88d635d8b16943c..1d06946aad641675181ec51f381ff57b17c97772 100755
--- a/win32/hfind/hfind.vcxproj
+++ b/win32/hfind/hfind.vcxproj
@@ -202,7 +202,7 @@
     <ClCompile>
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       <AdditionalIncludeDirectories>$(ProjectDir)\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_ITERATOR_DEBUG_LEVEL=2;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
diff --git a/win32/icat/icat.vcxproj b/win32/icat/icat.vcxproj
index 107144636616deab38b3ae59810a3ed46cc7b495..32ca03c74909b3ca859528cdb75b073607b3eece 100755
--- a/win32/icat/icat.vcxproj
+++ b/win32/icat/icat.vcxproj
@@ -202,7 +202,7 @@
     <ClCompile>
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       <AdditionalIncludeDirectories>$(ProjectDir)\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_ITERATOR_DEBUG_LEVEL=2;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
diff --git a/win32/ifind/ifind.vcxproj b/win32/ifind/ifind.vcxproj
index 95f8242bd473929e8b3d721dce8938a313680fc3..e2c322ba809c1281758c3d7159f88d935a43a0d7 100755
--- a/win32/ifind/ifind.vcxproj
+++ b/win32/ifind/ifind.vcxproj
@@ -202,7 +202,7 @@
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       <AdditionalIncludeDirectories>$(ProjectDir)\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;_ITERATOR_DEBUG_LEVEL=2;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
diff --git a/win32/istat/istat.vcxproj b/win32/istat/istat.vcxproj
index 32421cfe28820016cf9d7458a83eb369385c3a41..b401a463f95c69e9add97d4afdc2c32ac54a3a5b 100755
--- a/win32/istat/istat.vcxproj
+++ b/win32/istat/istat.vcxproj
@@ -202,7 +202,7 @@
     <ClCompile>
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       <AdditionalIncludeDirectories>$(ProjectDir)\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;_ITERATOR_DEBUG_LEVEL=2;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
diff --git a/win32/jcat/jcat.vcxproj b/win32/jcat/jcat.vcxproj
index 6d3a9ab4f6eda0b5cb462612548bbab20fc0bd21..02a235e35506fcce8db7ffe72fd17a28b84ff098 100755
--- a/win32/jcat/jcat.vcxproj
+++ b/win32/jcat/jcat.vcxproj
@@ -202,7 +202,7 @@
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       <AdditionalIncludeDirectories>$(ProjectDir)\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;_ITERATOR_DEBUG_LEVEL=2;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
diff --git a/win32/jls/jls.vcxproj b/win32/jls/jls.vcxproj
index e1f104bb3d1573cb9bb3da9f8a9fe8497ae53b97..4bdfd0e87179ffdf42dbe3e9aa5a5a126debeb8d 100755
--- a/win32/jls/jls.vcxproj
+++ b/win32/jls/jls.vcxproj
@@ -202,7 +202,7 @@
     <ClCompile>
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       <AdditionalIncludeDirectories>$(ProjectDir)\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_ITERATOR_DEBUG_LEVEL=2;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
diff --git a/win32/libtsk/libtsk.vcxproj b/win32/libtsk/libtsk.vcxproj
index 4699ff21fb8eb44d71c89794bf38b7ee79768b64..32d4e8ef4d8acfcd688470f162148be7df9dffa4 100755
--- a/win32/libtsk/libtsk.vcxproj
+++ b/win32/libtsk/libtsk.vcxproj
@@ -190,7 +190,7 @@
     <ClCompile>
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       <AdditionalIncludeDirectories>$(ProjectDir)\..\..\;$(LIBVMDK_HOME)\include;$(LIBVHDI_HOME)\include;$(LIBEWF_HOME)\include;$(LIBEWF_HOME)\..\zlib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;HAVE_LIBEWF;HAVE_LIBVMDK;HAVE_LIBVHDI;HAVE_LIBZ;WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;HAVE_LIBEWF;HAVE_LIBVMDK;HAVE_LIBVHDI;HAVE_LIBZ;WIN32;_DEBUG;_LIB;_ITERATOR_DEBUG_LEVEL=2;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
diff --git a/win32/mmcat/mmcat.vcxproj b/win32/mmcat/mmcat.vcxproj
index 3e75a617edd7b9cb2901cb071e48a2f91f279eab..31d3098c9b793003499ab9c0413268b2e317c895 100755
--- a/win32/mmcat/mmcat.vcxproj
+++ b/win32/mmcat/mmcat.vcxproj
@@ -202,7 +202,7 @@
     <ClCompile>
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       <AdditionalIncludeDirectories>$(ProjectDir)\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;WIN32;_DEBUG;_CONSOLE;_ITERATOR_DEBUG_LEVEL=2;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
diff --git a/win32/mmls/mmls.vcxproj b/win32/mmls/mmls.vcxproj
index f06613dd5eb7aaaf3a80a4bedad512940a5e93ac..859560ec0b2afdf525eb5658fc7f59a9842d2c0a 100755
--- a/win32/mmls/mmls.vcxproj
+++ b/win32/mmls/mmls.vcxproj
@@ -202,7 +202,7 @@
     <ClCompile>
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       <AdditionalIncludeDirectories>$(ProjectDir)\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_ITERATOR_DEBUG_LEVEL=2;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
diff --git a/win32/mmstat/mmstat.vcxproj b/win32/mmstat/mmstat.vcxproj
index f1bd0a933fa144c569967492237e5f318d3d0416..d8a1c655417825dc878c9ebd3eed97b38ab9f292 100755
--- a/win32/mmstat/mmstat.vcxproj
+++ b/win32/mmstat/mmstat.vcxproj
@@ -202,7 +202,7 @@
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       <AdditionalIncludeDirectories>$(ProjectDir)\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_ITERATOR_DEBUG_LEVEL=2;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
diff --git a/win32/posix-cpp-sample/posix-cpp-sample.vcxproj b/win32/posix-cpp-sample/posix-cpp-sample.vcxproj
index 28292eef0f40be9025dfcd67fa6b849b4faaf5b8..d8ebf8d22824b3cb50015a908da1b2506f6fcadd 100755
--- a/win32/posix-cpp-sample/posix-cpp-sample.vcxproj
+++ b/win32/posix-cpp-sample/posix-cpp-sample.vcxproj
@@ -202,7 +202,7 @@
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-      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;WIN32;_DEBUG;_CONSOLE;_ITERATOR_DEBUG_LEVEL=2;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
diff --git a/win32/posix-sample/posix-sample.vcxproj b/win32/posix-sample/posix-sample.vcxproj
index aaed4cbabd25d0880f39287b6f0e8c4f0e65cb75..31cd6315310ae4065a0d945707375fddbbe4141b 100755
--- a/win32/posix-sample/posix-sample.vcxproj
+++ b/win32/posix-sample/posix-sample.vcxproj
@@ -202,7 +202,7 @@
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-      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;WIN32;_DEBUG;_CONSOLE;_ITERATOR_DEBUG_LEVEL=2;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
diff --git a/win32/tsk_comparedir/tsk_compare.vcxproj b/win32/tsk_comparedir/tsk_compare.vcxproj
index 35bea02ae0265f8503a0cc09e990d6373832cd67..f06608ecf1ced49703feebcf3065e88498d1cff3 100755
--- a/win32/tsk_comparedir/tsk_compare.vcxproj
+++ b/win32/tsk_comparedir/tsk_compare.vcxproj
@@ -191,7 +191,7 @@
     <ClCompile>
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       <AdditionalIncludeDirectories>$(ProjectDir)\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;_ITERATOR_DEBUG_LEVEL=2;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
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diff --git a/win32/tsk_gettimes/tsk_gettimes.vcxproj b/win32/tsk_gettimes/tsk_gettimes.vcxproj
index a0e059d29f3696e7a996772f12ed2d4f089dec18..e1f496f9ad53bc070cad11323e94bd4bbb56fd0f 100755
--- a/win32/tsk_gettimes/tsk_gettimes.vcxproj
+++ b/win32/tsk_gettimes/tsk_gettimes.vcxproj
@@ -217,7 +217,7 @@
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       <AdditionalIncludeDirectories>$(ProjectDir)\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CRT_SECURE_NO_DEPRECATE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CRT_SECURE_NO_DEPRECATE;_ITERATOR_DEBUG_LEVEL=2;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
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diff --git a/win32/tsk_loaddb/tsk_loaddb.vcxproj b/win32/tsk_loaddb/tsk_loaddb.vcxproj
index e92aea084bf88c18a83011b7446d0860cfaf18c0..2dbbef931e820a9028c4b653539e6738e20cb833 100755
--- a/win32/tsk_loaddb/tsk_loaddb.vcxproj
+++ b/win32/tsk_loaddb/tsk_loaddb.vcxproj
@@ -194,7 +194,7 @@
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       <DebugInformationFormat>EditAndContinue</DebugInformationFormat>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;_ITERATOR_DEBUG_LEVEL=2;</PreprocessorDefinitions>
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     <Link>
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diff --git a/win32/tsk_recover/tsk_recover.vcxproj b/win32/tsk_recover/tsk_recover.vcxproj
index 0d9b3aec6d2fd979f05ca8e030a11223f1019ff6..3787e69ac5da22e880fc4430a8774de5557c964f 100755
--- a/win32/tsk_recover/tsk_recover.vcxproj
+++ b/win32/tsk_recover/tsk_recover.vcxproj
@@ -201,7 +201,7 @@
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-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_CRT_SECURE_NO_DEPRECATE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_CRT_SECURE_NO_DEPRECATE;_ITERATOR_DEBUG_LEVEL=2;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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